.swiper-button {
    color: #fff;
    background: #000;
    opacity: 0.2;
    padding: 30px;
}

.product_wrap .title {
    margin-top: 60px;
}

.product_wrap .title h3{
    font-size: 26px;
    text-align: center;
}

.product_wrap .title p {
    font-size: 14px;
    text-align: center;
    margin-top: 8px;
    color: #5b5b5b;
}

.product_wrap .list {
    width: 1200px;
    margin: 0 auto;
    padding-top: 70px;
    border-top: 1px solid #e3e3e3;
    margin-top: 20px;
}

.product_wrap .list_warp {
    font-size: 0;
    margin: 0 -15px;
    white-space: nowrap;
}

.product_wrap .list .product {
    width: 280px;
    display: inline-block;
    margin: 0 15px;
}

.product_wrap .list .product img {
    width: 100%;
}

.example {
    margin-top: 90px;
    position: relative;
    background: url('/assets/home_example.png') no-repeat;
    background-size: 100% auto;
}

.example .example_bg {
    font-size: 0;
}

.example .example_bg img {
    width: 100%;
}

.example .example_content {
    width: 1200px;
    /* position: absolute; */
    padding-top: 15%;
    margin: 0 auto;
}

.example .example_content .example_btn {
    text-align: right;
    font-size: 24px;
    margin-bottom: 15px;
}   

.example .example_content .example_btn .btn{
    display: inline-block;
    width: 195px;
    height: 84px;
    line-height: 84px;
    text-align: center;
    background-color: #15140b ;
    color: #fff;
    margin-left: 15px;
}

.example .example_content .example_btn .btn:hover {
    background-color: #2e2d2c;
}

.example .example_list {
    background-color: #fff;
    font-size: 0;
    padding: 60px;
}

.example .example_list_wrap {
    position: relative;
}

.example .example_list .example_car:nth-child(1) {
    width: 706px;
    height: 418px;
}

.example .example_list .example_car:nth-child(2) {
    width: 333px;
    height: 197px;
    position: absolute;
    right: 0;
    top: 0;
}

.example .example_list .example_car:nth-child(3) {
    width: 333px;
    height: 197px;
    margin-left: 40px;
}

.example .example_list .example_car:nth-child(4) {
    width: 333px;
    height: 197px;
    margin-top: 40px;
    margin-right: 40px;
}

.example .example_list .example_car:nth-child(5) {
    width: 333px;
    height: 197px;
    margin-top: 40px;
    margin-right: 40px;
}

.example .example_list .example_car:nth-child(6) {
    width: 333px;
    height: 197px;
    margin-top: 40px;
}

.example .example_list .example_car {
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.example .example_list .example_car img {
    width: 100%;
    height: 100%;
}

.example .example_list .example_car:nth-child(1) .name{
    font-size: 18px;
    color: #fff;
    position: absolute;
    bottom: 24px;
    left: 0;
    right: 0;
    width: 460px;
    margin:  0 auto;
    display: inline-block;
    text-align: center;
    background-color: #000000;
    height: 50px;
    line-height: 50px;
    display: none;
}

.example .example_list .example_car .name{
    font-size: 12px;
    color: #fff;
    position: absolute;
    bottom: 12px;
    left: 0;
    right: 0;
    width: 180px;
    margin:  0 auto;
    display: inline-block;
    text-align: center;
    background-color: #000000;
    height: 30px;
    line-height: 30px;
    display: none;
    padding: 0 8px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.example .example_list .example_car:hover .name {
    display: inline-block;
}

.desc {
    position: relative;
}

.desc  .desc_content {
    width: 1200px;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 0;
    bottom: 0;
    text-align: right;
}

.desc  .desc_content .desc_txt {
    overflow: hidden;
    height: 100%
}

.desc  .desc_content .desc_wrap {
    width: 50%;
    height: 100%;
    display: inline-block;
    text-align: left;
    padding: 24px 40px 90px;
    background-color: #f9f9f9;
    position: relative;
    overflow: hidden;
}

.desc  .desc_content .desc_wrap h3 {
    line-height: 35px;
    font-size: 26px;
}

.desc  .desc_content .desc_wrap p {
    line-height: 30px;
    font-size: 16px;
    margin-top: 30px;
    color: #090808;
}

.desc  .desc_content .detail {
    position: absolute;
    display: inline-block;
    bottom: 20px;
    right: 40px;
    color: #000000;
    font-size: 14px;
}

.knowledge .title {
    margin-top: 60px;
}

.knowledge .title h3{
    font-size: 26px;
    text-align: center;
}

.knowledge .title p {
    font-size: 14px;
    text-align: center;
    margin-top: 8px;
    color: #5b5b5b;
}

.knowledge .list {
    width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid #e3e3e3;
    margin-top: 20px;
    font-size: 0;
}

.knowledge .list_cell {
    display: inline-block;
    width: 370px;
    margin: 0 15px;
}

.knowledge .list_cell .image {
    width: 370px;
    height: 200px;
}

.knowledge .list_cell .image img {
    width: 100%;
    height: 100%;
}

.knowledge .list_cell .time {
    margin-top: 20px;
    font-size: 14px;
    color: #787878;
    display: inline-block;
}

.knowledge .list_cell .name {
    color: #0c0307;
    font-size: 20px;
    line-height: 30px;
    margin-top: 10px;
    max-height: 60px;
    overflow: hidden;
}

.knowledge .list_cell .content {
    font-size: 14px;
    margin-top: 15px;
    line-height: 25px;
    max-height: 48px;
    overflow: hidden;
    color: #454545;
}

.knowledge .list_cell .more {
    font-size: 16px;
    margin-top: 30px;
    line-height: 40px;
    border-top: 1px solid #cecece;
    color: #787878;
    padding-left: 10px;
}

.knowledge .list_cell:hover .more {
    color: #54a7e9;
    border-top: 1px solid #54a7e9;
}